ETA Systems 350VA Guide De L'utilisateur page 16

ETA SYSTEMS - UNINTERRUPTIBLE POWER MANAGER
Troubleshooting
The troubleshooting information provided in this section should help you discover the cause of most
commonly encountered difficulties. Before following the troubleshooting steps provided, be certain that you
have verified the following three items:
The UPM should be plugged into a properly working outlet.
The line voltage to the UPM is within specified boundaries.
The circuit breaker on the rear panel of the UPM has been reset.
Problem Possible Cause
UPM does not power up 1. On/Off button is not pressed
and has no audible alarm long enough
2. No incoming line voltage or
voltage too high or too low
3. UPM input power cord is not
plugged in
4. Rear panel circuit breaker is
tripped
UPM Overload LED is UPM is overloaded
illuminated and continuous
audible alarm sounds
Low/Replace Battery LED Battery voltage is too low or battery
is illuminated is dead.
Site Wiring Fault LED is Site wiring problem
illuminated
Backup time is less than Battery is not fully charged or
expected battery is dead.
UPM is normal, but the Computer input power cord is loose
computer will not turn on. or not connected.
Communication Manager 1. Wrong interface cable
not working 2. Computer's serial port has
not been properly
configured.
3. Computer's I/O card is bad
Action you should take
1. Press and hold the On/Off
switch for 3 seconds min.
2. Check wall socket and test
for proper line voltage.
3. Plug in input power cord
4. Reduce load and reset
circuit breaker.
Reduce load by removing the least
critical load items from the UPM
output.
Recharge battery for at least six
hours and reset the UPM. If LED is
still illuminated, replace the battery.
Contact a qualified electrician to
verify wiring at this site.
Recharge battery for at least six
hours and retest backup time.
Connect computer input power cord.
1. Purchase correct cable
2. Check to see that the port
is enabled in the CMOS
settings. Also check for
IRQ conflicts. Make sure
settings match those found
in Communications
Manager.
3. Replace I/O card
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